Seiko WAKAYAMA

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Hokkaido, JP

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Patents Grantslast 30 patents

Information Patent Grant
Concrete manufacturing method using nitrogen dissolved water and me...
- Patent number 10,968,141
- Issue date Apr 6, 2021
- Showa Freezing Plant Co., Ltd.
- Toshitsugi Wakayama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for processing radioactively-contaminated water
- Patent number 8,956,542
- Issue date Feb 17, 2015
- Showa Freezing Plant Co., Ltd.
- Toshitsugi Wakayama
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
CONCRETE MANUFACTURING METHOD USING NITROGEN DISSOLVED WATER AND ME...
- Publication number 20200055786
- Publication date Feb 20, 2020
- Showa Freezing Plant Co., Ltd.
- Toshitsugi WAKAYAMA
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
METHOD FOR PROCESSING RADIOACTIVELY-CONTAMINATED WATER
- Publication number 20150038760
- Publication date Feb 5, 2015
- Showa Freezing Plant Co., Ltd.
- Toshitsugi WAKAYAMA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SOLUTION UTILIZING NITROGEN CONTAINED WATER FOR PRESERVING OR FLUSH...
- Publication number 20140308652
- Publication date Oct 16, 2014
- Showa Freezing Plant Co., Ltd.
- Toshitsugi WAKAYAMA
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING